P023 CAMERA ANATOMY & OPERATION
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| AI SERVO MODE | Pressing the shutter button halfway auto-focuses and CONTINUALLY re-focuses as the distance to subject changes
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| APERTURE | An opening that changes in size to control the amount of light passing through the lens of the camera.
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| APERTURE PRIORITY MODE | Shooting mode where the user manually sets the aperture and ISO, the camera selects the correct shutter speed for exposure, often used to control depth of field.
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| AUTO FOCUS | Automatically focuses on the subject in the center of the viewfinder. Some cameras can focus on a user selected point or area.
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| CCD SENSOR | (Charged coupled device) The sensor device used to capture light and convert it to a pixel based image inside a digital camera.
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| CENTER WEIGHTED METER | Averages the exposure across the entire frame, but gives added emphasis (weight) to the central part of the image.
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| CONTINUOUS SHOOTING MODE | Camera shoots pictures continuously if shutter release is held down.
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| EXPOSURE COMPENSATION | Over-ride the automatic exposure settings where the camera's meter is incorrect such as backlighting.
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| F-STOP | A fraction that measures of the size of the aperture opening on a camera.
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| FOCAL PLANE | The point in a camera where light is focused by the lens, and is where the CCD or film is positioned.
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| HISTOGRAM | A bar graph representing the pixels exposed in an image with 256 shades from black (left) to white (right)
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| HOT SHOE | A mounting point on the top of some cameras to attach a more powerful external flash unit or other accessory
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| ISO / SENSITIVITY | A system used to measure and adjust how sensitive a digital camera is to light.
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| MANUAL MODE | The shooting mode in which the user has the greatest amount of control over all the camera settings
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| ONE SHOT MODE | Pressing the shutter button halfway auto-focuses on the subject and locks until the shutter is released.
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| RED EYE MODE | A pulse of light from a flash tube which forces a subject's pupils to contract, lessening the risk of redeye.
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| SHUTTER | The device on a camera that opens and allows light to pass to the sensor or film for a set period of time in order make an exposure
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| SHUTTER PRIORITY MODE | Shooting mode where the user manually sets the shutter speed and ISO, the camera selects the correct aperture for exposure, often used for moving subjects.
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| SHUTTER SPEED | The amount of TIME that the shutter is open, as measured in seconds or fractions of a second
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| SLR / DSLR | A type of camera where the viewfinder looks through the same lens that the camera uses to make exposures.
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| SPOT METERING | Reading light levels from a very small area, typically 1-3% of an image area.
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| VIEWFINDER | The part of a camera that the photographer looks through to compose and to focus the picture.
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| WHITE BALANCE | A manual adjustment process of removing unrealistic color casts so objects that are white appear white in the image.
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